| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 4.42 | -0.34 |
| Feb | 3.59 | 3.80 | -0.21 |
| Mar | 5.09 | 5.21 | -0.12 |
| Apr | 4.36 | 4.46 | -0.10 |
| May | 3.52 | 3.57 | -0.05 |
| Jun | 3.61 | 3.68 | -0.07 |
| Jul | 2.95 | 2.95 | 0.00 |
| Aug | 3.64 | 3.75 | -0.11 |
| Sep | 4.16 | 4.21 | -0.05 |
| Oct | 4.99 | 4.78 | 0.21 |
| Nov | 4.42 | 4.39 | 0.03 |
| Dec | 4.90 | 5.43 | -0.53 |
49.31 | 50.65 | -1.34 |